~hc/RK356X_SDK_RELEASE.git

..	..	@@ -20,6 +20,7 @@
20	20
21	21	#include <linux/genhd.h>
22	22	#include <linux/kref.h>
	23	+#include <linux/mutex.h>
23	24
24	25	#define MAX_RETRIES 3
25	26	#define SR_TIMEOUT (30 * HZ)
..	..	@@ -51,6 +52,7 @@
51	52	bool ignore_get_event:1; /* GET_EVENT is unreliable, use TUR */
52	53
53	54	struct cdrom_device_info cdi;
	55	+ struct mutex lock;
54	56	/* We hold gendisk and scsi_device references on probe and use
55	57	* the refs on this kref to decide when to release them */
56	58	struct kref kref;